r[7<<14];main(h,t,n,s,a,p){for(gets(r);~scanf("%d%d",&n,&s);printf("%d\n",a-1e9?a:0))for(p=h=t=0,a=1e9;t<n;){scanf("%d",r+t);p+=r[t++];while(h<=t&&p>=s){a=t-h<a?t-h:a;p-=r[h++];};}}
